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29 - The “problem of other observers” and anthropic reasoning

from Part VII - Other philosophically relevant aspects of the CMB

Published online by Cambridge University Press:  09 July 2024

Slobodan Perovic
Affiliation:
University of Belgrade
Milan M. Cirkovic
Affiliation:
Astronomical Observatory of Belgrade, Serbia
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Summary

The chapter starts with a discussion of the minimal definition of anthropic reasoning that avoids the usual confusions – the biases due to us being evolved intelligent observers. Anthropic reasoning led to mundane important conclusions about some key parameters of the universe in the work of Hoyle and other pioneers. The chapter discusses a deep connection with the justifications of the violation of the cosmological principle. It also discusses Aguirre’s study of habitable regions in the parameter space of cold Big Bangs in the early 2000s. Finally, it briefly addresses some CMB problems that stem from anthropic reasoning and typicality of the observer.

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Chapter
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The Cosmic Microwave Background
Historical and Philosophical Lessons
, pp. 157 - 160
Publisher: Cambridge University Press
Print publication year: 2024

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